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3 years ago

You have a huge review project for English where you have to answer 300 questions. You start on it after

Mathematics

1 answer:

vesna_86 [32]3 years ago

4 0

Answer:

This blog entry describes what my students and I did during Week 2 of the Emerging Tech (NSF Grant) project. The events in this blog entry took place at the same time as the events in this article. As a pair, these describe what a PBL teacher does while running two projects in two different preps at one time. To see accounts on earlier or later weeks of these projects, go here.

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I’m confused on this one

irina1246 [14]

There are 5 fats all together.
If 3 of them are saturated, then the other 2 aren't.
The ratio of the SATs to the unsats is 3:2 .

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3 years ago

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kolbaska11 [484]

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3 years ago

The height of a triangle is 3cm less than twice the base. The area is 10cm2

Kamila [148]

Answer:

The base is 4cm and the height is 5cm.

Step-by-step explanation:

This is a solve the system question. Call H the height of the triangle and B the base. The question tells us:

$H=2B-3$

and

$\frac{B \times H}{2}=10$

Sub the first equation into the second (as H is already isolated). You will end up with a quadratic equation - solve that any way you wish (e.g. quadratic formula). I've provided the factored form below which shows you the roots:

$\frac{B(2B-3)}{2}=10\\\frac{2B^2-3B}{2}=10\\2B^2-3B=20\\2B^2-3B-20=0\\(2B+5)(B-4)=0\\B= - \frac{5}{2},4$

In this question, we take B=4. You can't have a negative side length so the other answer is eliminated. Now sub the value for B into either of the original equations. I'll use the first, again because H is already isolated:

$H=2(4)-3\\H=8-3\\H=5$

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3 years ago

15/4 improper fraction to a equal mixed number

mote1985 [20]

Answer:

Bacon

Step-by-step explanation:

Bacon

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3 years ago

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nevsk [136]

A function is a relation for which each value from the set the first components of the ordered pairs is associated with exactly one value from the set of second components of the ordered pair.

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3 years ago